Home / 5,377.06-7,421.64-4,242.04

Finding the Fourth Proportional to 5,377.06, 7,421.64 and 4,242.04

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Solution

The fourth proportional to 5,377.06, 7,421.64 and 4,242.04 is: 5,855.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377.06 : 7,421.64 = 4,242.04 : x
  2. Step 2: Convert to fraction form
    5,377.06/7,421.64 = 4,242.04/x
  3. Step 3: Cross multiply
    5,377.06x = 7,421.64 × 4,242.04
  4. Step 4: Simplify right side
    5,377.06x = 31,482,893.75
  5. Step 5: Solve for x
    x = 31,482,893.75/5,377.06
  6. Step 6: Final answer
    x = 5,855.04

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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.