Home / 8,320.28-11,483.91-5,488.16

Finding the Fourth Proportional to 8,320.28, 11,483.91 and 5,488.16

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Solution

The fourth proportional to 8,320.28, 11,483.91 and 5,488.16 is: 7,574.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.28 : 11,483.91 = 5,488.16 : x
  2. Step 2: Convert to fraction form
    8,320.28/11,483.91 = 5,488.16/x
  3. Step 3: Cross multiply
    8,320.28x = 11,483.91 × 5,488.16
  4. Step 4: Simplify right side
    8,320.28x = 63,025,478.09
  5. Step 5: Solve for x
    x = 63,025,478.09/8,320.28
  6. Step 6: Final answer
    x = 7,574.93

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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.