Home / 8,829.86-12,184.55-5,292.39

Finding the Fourth Proportional to 8,829.86, 12,184.55 and 5,292.39

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Solution

The fourth proportional to 8,829.86, 12,184.55 and 5,292.39 is: 7,303.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,829.86 : 12,184.55 = 5,292.39 : x
  2. Step 2: Convert to fraction form
    8,829.86/12,184.55 = 5,292.39/x
  3. Step 3: Cross multiply
    8,829.86x = 12,184.55 × 5,292.39
  4. Step 4: Simplify right side
    8,829.86x = 64,485,376.00
  5. Step 5: Solve for x
    x = 64,485,376.00/8,829.86
  6. Step 6: Final answer
    x = 7,303.10

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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.