Home / 7,531.57-10,394.49-4,387.96

Finding the Fourth Proportional to 7,531.57, 10,394.49 and 4,387.96

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Solution

The fourth proportional to 7,531.57, 10,394.49 and 4,387.96 is: 6,055.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531.57 : 10,394.49 = 4,387.96 : x
  2. Step 2: Convert to fraction form
    7,531.57/10,394.49 = 4,387.96/x
  3. Step 3: Cross multiply
    7,531.57x = 10,394.49 × 4,387.96
  4. Step 4: Simplify right side
    7,531.57x = 45,610,606.34
  5. Step 5: Solve for x
    x = 45,610,606.34/7,531.57
  6. Step 6: Final answer
    x = 6,055.92

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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.