Home / 7,909.60-10,916.34-4,552.36

Finding the Fourth Proportional to 7,909.60, 10,916.34 and 4,552.36

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Solution

The fourth proportional to 7,909.60, 10,916.34 and 4,552.36 is: 6,282.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,909.60 : 10,916.34 = 4,552.36 : x
  2. Step 2: Convert to fraction form
    7,909.60/10,916.34 = 4,552.36/x
  3. Step 3: Cross multiply
    7,909.60x = 10,916.34 × 4,552.36
  4. Step 4: Simplify right side
    7,909.60x = 49,695,109.56
  5. Step 5: Solve for x
    x = 49,695,109.56/7,909.60
  6. Step 6: Final answer
    x = 6,282.89

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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.