Home / 6,441.52-8,888.79-3,647.02

Finding the Fourth Proportional to 6,441.52, 8,888.79 and 3,647.02

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Solution

The fourth proportional to 6,441.52, 8,888.79 and 3,647.02 is: 5,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,441.52 : 8,888.79 = 3,647.02 : x
  2. Step 2: Convert to fraction form
    6,441.52/8,888.79 = 3,647.02/x
  3. Step 3: Cross multiply
    6,441.52x = 8,888.79 × 3,647.02
  4. Step 4: Simplify right side
    6,441.52x = 32,417,594.91
  5. Step 5: Solve for x
    x = 32,417,594.91/6,441.52
  6. Step 6: Final answer
    x = 5,032.60

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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.