Home / 5,290.01-7,888.44-4,920.65

Finding the Fourth Proportional to 5,290.01, 7,888.44 and 4,920.65

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Solution

The fourth proportional to 5,290.01, 7,888.44 and 4,920.65 is: 7,337.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290.01 : 7,888.44 = 4,920.65 : x
  2. Step 2: Convert to fraction form
    5,290.01/7,888.44 = 4,920.65/x
  3. Step 3: Cross multiply
    5,290.01x = 7,888.44 × 4,920.65
  4. Step 4: Simplify right side
    5,290.01x = 38,816,194.39
  5. Step 5: Solve for x
    x = 38,816,194.39/5,290.01
  6. Step 6: Final answer
    x = 7,337.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.