Home / 5,117.16-7,685.01-4,705.56

Finding the Fourth Proportional to 5,117.16, 7,685.01 and 4,705.56

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Solution

The fourth proportional to 5,117.16, 7,685.01 and 4,705.56 is: 7,066.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.16 : 7,685.01 = 4,705.56 : x
  2. Step 2: Convert to fraction form
    5,117.16/7,685.01 = 4,705.56/x
  3. Step 3: Cross multiply
    5,117.16x = 7,685.01 × 4,705.56
  4. Step 4: Simplify right side
    5,117.16x = 36,162,275.66
  5. Step 5: Solve for x
    x = 36,162,275.66/5,117.16
  6. Step 6: Final answer
    x = 7,066.86

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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.