Home / 7,473.96-10,257.21-6,877.80

Finding the Fourth Proportional to 7,473.96, 10,257.21 and 6,877.80

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Solution

The fourth proportional to 7,473.96, 10,257.21 and 6,877.80 is: 9,439.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,473.96 : 10,257.21 = 6,877.80 : x
  2. Step 2: Convert to fraction form
    7,473.96/10,257.21 = 6,877.80/x
  3. Step 3: Cross multiply
    7,473.96x = 10,257.21 × 6,877.80
  4. Step 4: Simplify right side
    7,473.96x = 70,547,038.94
  5. Step 5: Solve for x
    x = 70,547,038.94/7,473.96
  6. Step 6: Final answer
    x = 9,439.04

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.