Home / 8,700.48-13,045.86-2,855.52

Finding the Fourth Proportional to 8,700.48, 13,045.86 and 2,855.52

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Solution

The fourth proportional to 8,700.48, 13,045.86 and 2,855.52 is: 4,281.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700.48 : 13,045.86 = 2,855.52 : x
  2. Step 2: Convert to fraction form
    8,700.48/13,045.86 = 2,855.52/x
  3. Step 3: Cross multiply
    8,700.48x = 13,045.86 × 2,855.52
  4. Step 4: Simplify right side
    8,700.48x = 37,252,714.15
  5. Step 5: Solve for x
    x = 37,252,714.15/8,700.48
  6. Step 6: Final answer
    x = 4,281.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.