Home / 7,590.09-10,480.55-5,228.13

Finding the Fourth Proportional to 7,590.09, 10,480.55 and 5,228.13

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Solution

The fourth proportional to 7,590.09, 10,480.55 and 5,228.13 is: 7,219.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,590.09 : 10,480.55 = 5,228.13 : x
  2. Step 2: Convert to fraction form
    7,590.09/10,480.55 = 5,228.13/x
  3. Step 3: Cross multiply
    7,590.09x = 10,480.55 × 5,228.13
  4. Step 4: Simplify right side
    7,590.09x = 54,793,651.73
  5. Step 5: Solve for x
    x = 54,793,651.73/7,590.09
  6. Step 6: Final answer
    x = 7,219.10

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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.