Home / 7,642.87-10,547.76-4,499.65

Finding the Fourth Proportional to 7,642.87, 10,547.76 and 4,499.65

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Solution

The fourth proportional to 7,642.87, 10,547.76 and 4,499.65 is: 6,209.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,642.87 : 10,547.76 = 4,499.65 : x
  2. Step 2: Convert to fraction form
    7,642.87/10,547.76 = 4,499.65/x
  3. Step 3: Cross multiply
    7,642.87x = 10,547.76 × 4,499.65
  4. Step 4: Simplify right side
    7,642.87x = 47,461,228.28
  5. Step 5: Solve for x
    x = 47,461,228.28/7,642.87
  6. Step 6: Final answer
    x = 6,209.87

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Similar ratio
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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.