Home / 4,715.31-6,507.19-2,590.90

Finding the Fourth Proportional to 4,715.31, 6,507.19 and 2,590.90

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Solution

The fourth proportional to 4,715.31, 6,507.19 and 2,590.90 is: 3,575.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,715.31 : 6,507.19 = 2,590.90 : x
  2. Step 2: Convert to fraction form
    4,715.31/6,507.19 = 2,590.90/x
  3. Step 3: Cross multiply
    4,715.31x = 6,507.19 × 2,590.90
  4. Step 4: Simplify right side
    4,715.31x = 16,859,465.54
  5. Step 5: Solve for x
    x = 16,859,465.54/4,715.31
  6. Step 6: Final answer
    x = 3,575.47

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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.