Home / 7,814.04-10,781.67-4,455.91

Finding the Fourth Proportional to 7,814.04, 10,781.67 and 4,455.91

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Solution

The fourth proportional to 7,814.04, 10,781.67 and 4,455.91 is: 6,148.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,814.04 : 10,781.67 = 4,455.91 : x
  2. Step 2: Convert to fraction form
    7,814.04/10,781.67 = 4,455.91/x
  3. Step 3: Cross multiply
    7,814.04x = 10,781.67 × 4,455.91
  4. Step 4: Simplify right side
    7,814.04x = 48,042,151.17
  5. Step 5: Solve for x
    x = 48,042,151.17/7,814.04
  6. Step 6: Final answer
    x = 6,148.18

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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.