Home / 9,001.74-12,421.62-5,815.18

Finding the Fourth Proportional to 9,001.74, 12,421.62 and 5,815.18

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Solution

The fourth proportional to 9,001.74, 12,421.62 and 5,815.18 is: 8,024.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,001.74 : 12,421.62 = 5,815.18 : x
  2. Step 2: Convert to fraction form
    9,001.74/12,421.62 = 5,815.18/x
  3. Step 3: Cross multiply
    9,001.74x = 12,421.62 × 5,815.18
  4. Step 4: Simplify right side
    9,001.74x = 72,233,956.19
  5. Step 5: Solve for x
    x = 72,233,956.19/9,001.74
  6. Step 6: Final answer
    x = 8,024.44

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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.