Home / 4,538.20-6,807.30-2,457.40

Finding the Fourth Proportional to 4,538.20, 6,807.30 and 2,457.40

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Solution

The fourth proportional to 4,538.20, 6,807.30 and 2,457.40 is: 3,686.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,538.20 : 6,807.30 = 2,457.40 : x
  2. Step 2: Convert to fraction form
    4,538.20/6,807.30 = 2,457.40/x
  3. Step 3: Cross multiply
    4,538.20x = 6,807.30 × 2,457.40
  4. Step 4: Simplify right side
    4,538.20x = 16,728,259.02
  5. Step 5: Solve for x
    x = 16,728,259.02/4,538.20
  6. Step 6: Final answer
    x = 3,686.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.