Home / 5,105.18-7,657.44-1,642.16

Finding the Fourth Proportional to 5,105.18, 7,657.44 and 1,642.16

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Solution

The fourth proportional to 5,105.18, 7,657.44 and 1,642.16 is: 2,463.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105.18 : 7,657.44 = 1,642.16 : x
  2. Step 2: Convert to fraction form
    5,105.18/7,657.44 = 1,642.16/x
  3. Step 3: Cross multiply
    5,105.18x = 7,657.44 × 1,642.16
  4. Step 4: Simplify right side
    5,105.18x = 12,574,741.67
  5. Step 5: Solve for x
    x = 12,574,741.67/5,105.18
  6. Step 6: Final answer
    x = 2,463.13

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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.