Home / 8,776.02-12,110.93-5,239.15

Finding the Fourth Proportional to 8,776.02, 12,110.93 and 5,239.15

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Solution

The fourth proportional to 8,776.02, 12,110.93 and 5,239.15 is: 7,230.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,776.02 : 12,110.93 = 5,239.15 : x
  2. Step 2: Convert to fraction form
    8,776.02/12,110.93 = 5,239.15/x
  3. Step 3: Cross multiply
    8,776.02x = 12,110.93 × 5,239.15
  4. Step 4: Simplify right side
    8,776.02x = 63,450,978.91
  5. Step 5: Solve for x
    x = 63,450,978.91/8,776.02
  6. Step 6: Final answer
    x = 7,230.04

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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.