Home / 5,117.32-7,020.89-4,869.64

Finding the Fourth Proportional to 5,117.32, 7,020.89 and 4,869.64

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Solution

The fourth proportional to 5,117.32, 7,020.89 and 4,869.64 is: 6,681.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.32 : 7,020.89 = 4,869.64 : x
  2. Step 2: Convert to fraction form
    5,117.32/7,020.89 = 4,869.64/x
  3. Step 3: Cross multiply
    5,117.32x = 7,020.89 × 4,869.64
  4. Step 4: Simplify right side
    5,117.32x = 34,189,206.78
  5. Step 5: Solve for x
    x = 34,189,206.78/5,117.32
  6. Step 6: Final answer
    x = 6,681.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.