Home / 4,657.12-6,426.72-2,561.20

Finding the Fourth Proportional to 4,657.12, 6,426.72 and 2,561.20

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Solution

The fourth proportional to 4,657.12, 6,426.72 and 2,561.20 is: 3,534.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,657.12 : 6,426.72 = 2,561.20 : x
  2. Step 2: Convert to fraction form
    4,657.12/6,426.72 = 2,561.20/x
  3. Step 3: Cross multiply
    4,657.12x = 6,426.72 × 2,561.20
  4. Step 4: Simplify right side
    4,657.12x = 16,460,115.26
  5. Step 5: Solve for x
    x = 16,460,115.26/4,657.12
  6. Step 6: Final answer
    x = 3,534.40

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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.