Home / 7,280.76-10,037.27-6,157.18

Finding the Fourth Proportional to 7,280.76, 10,037.27 and 6,157.18

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Solution

The fourth proportional to 7,280.76, 10,037.27 and 6,157.18 is: 8,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.76 : 10,037.27 = 6,157.18 : x
  2. Step 2: Convert to fraction form
    7,280.76/10,037.27 = 6,157.18/x
  3. Step 3: Cross multiply
    7,280.76x = 10,037.27 × 6,157.18
  4. Step 4: Simplify right side
    7,280.76x = 61,801,278.10
  5. Step 5: Solve for x
    x = 61,801,278.10/7,280.76
  6. Step 6: Final answer
    x = 8,488.30

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Half scale
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Double scale
Find fourth proportional to 7,281.76, 10,038.65 and 6,158.18
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.