Home / 8,562.90-11,814.15-4,785.55

Finding the Fourth Proportional to 8,562.90, 11,814.15 and 4,785.55

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Solution

The fourth proportional to 8,562.90, 11,814.15 and 4,785.55 is: 6,602.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,562.90 : 11,814.15 = 4,785.55 : x
  2. Step 2: Convert to fraction form
    8,562.90/11,814.15 = 4,785.55/x
  3. Step 3: Cross multiply
    8,562.90x = 11,814.15 × 4,785.55
  4. Step 4: Simplify right side
    8,562.90x = 56,537,205.53
  5. Step 5: Solve for x
    x = 56,537,205.53/8,562.90
  6. Step 6: Final answer
    x = 6,602.58

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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.