Home / 5,117.34-7,675.16-1,419.96

Finding the Fourth Proportional to 5,117.34, 7,675.16 and 1,419.96

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Solution

The fourth proportional to 5,117.34, 7,675.16 and 1,419.96 is: 2,129.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.34 : 7,675.16 = 1,419.96 : x
  2. Step 2: Convert to fraction form
    5,117.34/7,675.16 = 1,419.96/x
  3. Step 3: Cross multiply
    5,117.34x = 7,675.16 × 1,419.96
  4. Step 4: Simplify right side
    5,117.34x = 10,898,420.19
  5. Step 5: Solve for x
    x = 10,898,420.19/5,117.34
  6. Step 6: Final answer
    x = 2,129.70

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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.