Home / 8,478.32-11,701.08-4,751.60

Finding the Fourth Proportional to 8,478.32, 11,701.08 and 4,751.60

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Solution

The fourth proportional to 8,478.32, 11,701.08 and 4,751.60 is: 6,557.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,478.32 : 11,701.08 = 4,751.60 : x
  2. Step 2: Convert to fraction form
    8,478.32/11,701.08 = 4,751.60/x
  3. Step 3: Cross multiply
    8,478.32x = 11,701.08 × 4,751.60
  4. Step 4: Simplify right side
    8,478.32x = 55,598,851.73
  5. Step 5: Solve for x
    x = 55,598,851.73/8,478.32
  6. Step 6: Final answer
    x = 6,557.77

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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.