Home / 5,043.42-7,565.10-1,345.64

Finding the Fourth Proportional to 5,043.42, 7,565.10 and 1,345.64

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Solution

The fourth proportional to 5,043.42, 7,565.10 and 1,345.64 is: 2,018.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.42 : 7,565.10 = 1,345.64 : x
  2. Step 2: Convert to fraction form
    5,043.42/7,565.10 = 1,345.64/x
  3. Step 3: Cross multiply
    5,043.42x = 7,565.10 × 1,345.64
  4. Step 4: Simplify right side
    5,043.42x = 10,179,901.16
  5. Step 5: Solve for x
    x = 10,179,901.16/5,043.42
  6. Step 6: Final answer
    x = 2,018.45

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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.