Home / 4,358.70-6,538.78-1,585.52

Finding the Fourth Proportional to 4,358.70, 6,538.78 and 1,585.52

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Solution

The fourth proportional to 4,358.70, 6,538.78 and 1,585.52 is: 2,378.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,358.70 : 6,538.78 = 1,585.52 : x
  2. Step 2: Convert to fraction form
    4,358.70/6,538.78 = 1,585.52/x
  3. Step 3: Cross multiply
    4,358.70x = 6,538.78 × 1,585.52
  4. Step 4: Simplify right side
    4,358.70x = 10,367,366.47
  5. Step 5: Solve for x
    x = 10,367,366.47/4,358.70
  6. Step 6: Final answer
    x = 2,378.55

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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.