Home / 8,645.59-11,931.15-4,868.46

Finding the Fourth Proportional to 8,645.59, 11,931.15 and 4,868.46

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Solution

The fourth proportional to 8,645.59, 11,931.15 and 4,868.46 is: 6,718.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,645.59 : 11,931.15 = 4,868.46 : x
  2. Step 2: Convert to fraction form
    8,645.59/11,931.15 = 4,868.46/x
  3. Step 3: Cross multiply
    8,645.59x = 11,931.15 × 4,868.46
  4. Step 4: Simplify right side
    8,645.59x = 58,086,242.53
  5. Step 5: Solve for x
    x = 58,086,242.53/8,645.59
  6. Step 6: Final answer
    x = 6,718.60

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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.