Home / 7,587.59-11,384.15-3,891.56

Finding the Fourth Proportional to 7,587.59, 11,384.15 and 3,891.56

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Solution

The fourth proportional to 7,587.59, 11,384.15 and 3,891.56 is: 5,838.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,587.59 : 11,384.15 = 3,891.56 : x
  2. Step 2: Convert to fraction form
    7,587.59/11,384.15 = 3,891.56/x
  3. Step 3: Cross multiply
    7,587.59x = 11,384.15 × 3,891.56
  4. Step 4: Simplify right side
    7,587.59x = 44,302,026.40
  5. Step 5: Solve for x
    x = 44,302,026.40/7,587.59
  6. Step 6: Final answer
    x = 5,838.75

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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.