Home / 4,266.60-6,400.10-1,345.13

Finding the Fourth Proportional to 4,266.60, 6,400.10 and 1,345.13

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Solution

The fourth proportional to 4,266.60, 6,400.10 and 1,345.13 is: 2,017.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,266.60 : 6,400.10 = 1,345.13 : x
  2. Step 2: Convert to fraction form
    4,266.60/6,400.10 = 1,345.13/x
  3. Step 3: Cross multiply
    4,266.60x = 6,400.10 × 1,345.13
  4. Step 4: Simplify right side
    4,266.60x = 8,608,966.51
  5. Step 5: Solve for x
    x = 8,608,966.51/4,266.60
  6. Step 6: Final answer
    x = 2,017.76

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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.