Home / 7,631.69-10,531.42-4,445.08

Finding the Fourth Proportional to 7,631.69, 10,531.42 and 4,445.08

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Solution

The fourth proportional to 7,631.69, 10,531.42 and 4,445.08 is: 6,134.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.69 : 10,531.42 = 4,445.08 : x
  2. Step 2: Convert to fraction form
    7,631.69/10,531.42 = 4,445.08/x
  3. Step 3: Cross multiply
    7,631.69x = 10,531.42 × 4,445.08
  4. Step 4: Simplify right side
    7,631.69x = 46,812,966.97
  5. Step 5: Solve for x
    x = 46,812,966.97/7,631.69
  6. Step 6: Final answer
    x = 6,134.03

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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.