Home / 7,508.61-10,365.32-5,356.80

Finding the Fourth Proportional to 7,508.61, 10,365.32 and 5,356.80

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Solution

The fourth proportional to 7,508.61, 10,365.32 and 5,356.80 is: 7,394.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,508.61 : 10,365.32 = 5,356.80 : x
  2. Step 2: Convert to fraction form
    7,508.61/10,365.32 = 5,356.80/x
  3. Step 3: Cross multiply
    7,508.61x = 10,365.32 × 5,356.80
  4. Step 4: Simplify right side
    7,508.61x = 55,524,946.18
  5. Step 5: Solve for x
    x = 55,524,946.18/7,508.61
  6. Step 6: Final answer
    x = 7,394.84

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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.