Home / 7,729.38-10,666.35-4,585.50

Finding the Fourth Proportional to 7,729.38, 10,666.35 and 4,585.50

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Solution

The fourth proportional to 7,729.38, 10,666.35 and 4,585.50 is: 6,327.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729.38 : 10,666.35 = 4,585.50 : x
  2. Step 2: Convert to fraction form
    7,729.38/10,666.35 = 4,585.50/x
  3. Step 3: Cross multiply
    7,729.38x = 10,666.35 × 4,585.50
  4. Step 4: Simplify right side
    7,729.38x = 48,910,547.93
  5. Step 5: Solve for x
    x = 48,910,547.93/7,729.38
  6. Step 6: Final answer
    x = 6,327.87

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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.