Home / 4,728.60-6,526.30-3,607.80

Finding the Fourth Proportional to 4,728.60, 6,526.30 and 3,607.80

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Solution

The fourth proportional to 4,728.60, 6,526.30 and 3,607.80 is: 4,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,728.60 : 6,526.30 = 3,607.80 : x
  2. Step 2: Convert to fraction form
    4,728.60/6,526.30 = 3,607.80/x
  3. Step 3: Cross multiply
    4,728.60x = 6,526.30 × 3,607.80
  4. Step 4: Simplify right side
    4,728.60x = 23,545,585.14
  5. Step 5: Solve for x
    x = 23,545,585.14/4,728.60
  6. Step 6: Final answer
    x = 4,979.40

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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.