Home / 8,320.98-11,479.02-5,633.19

Finding the Fourth Proportional to 8,320.98, 11,479.02 and 5,633.19

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Solution

The fourth proportional to 8,320.98, 11,479.02 and 5,633.19 is: 7,771.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.98 : 11,479.02 = 5,633.19 : x
  2. Step 2: Convert to fraction form
    8,320.98/11,479.02 = 5,633.19/x
  3. Step 3: Cross multiply
    8,320.98x = 11,479.02 × 5,633.19
  4. Step 4: Simplify right side
    8,320.98x = 64,663,500.67
  5. Step 5: Solve for x
    x = 64,663,500.67/8,320.98
  6. Step 6: Final answer
    x = 7,771.14

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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.