Home / 7,008.31-9,671.57-3,864.57

Finding the Fourth Proportional to 7,008.31, 9,671.57 and 3,864.57

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Solution

The fourth proportional to 7,008.31, 9,671.57 and 3,864.57 is: 5,333.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.31 : 9,671.57 = 3,864.57 : x
  2. Step 2: Convert to fraction form
    7,008.31/9,671.57 = 3,864.57/x
  3. Step 3: Cross multiply
    7,008.31x = 9,671.57 × 3,864.57
  4. Step 4: Simplify right side
    7,008.31x = 37,376,459.27
  5. Step 5: Solve for x
    x = 37,376,459.27/7,008.31
  6. Step 6: Final answer
    x = 5,333.16

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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.