Home / 7,281.32-10,038.05-6,157.74

Finding the Fourth Proportional to 7,281.32, 10,038.05 and 6,157.74

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Solution

The fourth proportional to 7,281.32, 10,038.05 and 6,157.74 is: 8,489.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281.32 : 10,038.05 = 6,157.74 : x
  2. Step 2: Convert to fraction form
    7,281.32/10,038.05 = 6,157.74/x
  3. Step 3: Cross multiply
    7,281.32x = 10,038.05 × 6,157.74
  4. Step 4: Simplify right side
    7,281.32x = 61,811,702.01
  5. Step 5: Solve for x
    x = 61,811,702.01/7,281.32
  6. Step 6: Final answer
    x = 8,489.08

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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.