Home / 6,666.40-9,188.66-4,726.76

Finding the Fourth Proportional to 6,666.40, 9,188.66 and 4,726.76

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Solution

The fourth proportional to 6,666.40, 9,188.66 and 4,726.76 is: 6,515.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666.40 : 9,188.66 = 4,726.76 : x
  2. Step 2: Convert to fraction form
    6,666.40/9,188.66 = 4,726.76/x
  3. Step 3: Cross multiply
    6,666.40x = 9,188.66 × 4,726.76
  4. Step 4: Simplify right side
    6,666.40x = 43,432,556.42
  5. Step 5: Solve for x
    x = 43,432,556.42/6,666.40
  6. Step 6: Final answer
    x = 6,515.14

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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.