Home / 7,685.60-11,521.02-4,904.42

Finding the Fourth Proportional to 7,685.60, 11,521.02 and 4,904.42

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Solution

The fourth proportional to 7,685.60, 11,521.02 and 4,904.42 is: 7,351.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685.60 : 11,521.02 = 4,904.42 : x
  2. Step 2: Convert to fraction form
    7,685.60/11,521.02 = 4,904.42/x
  3. Step 3: Cross multiply
    7,685.60x = 11,521.02 × 4,904.42
  4. Step 4: Simplify right side
    7,685.60x = 56,503,920.91
  5. Step 5: Solve for x
    x = 56,503,920.91/7,685.60
  6. Step 6: Final answer
    x = 7,351.92

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1.5x scale

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.