Home / 5,154.42-7,731.63-1,258.83

Finding the Fourth Proportional to 5,154.42, 7,731.63 and 1,258.83

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Solution

The fourth proportional to 5,154.42, 7,731.63 and 1,258.83 is: 1,888.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.42 : 7,731.63 = 1,258.83 : x
  2. Step 2: Convert to fraction form
    5,154.42/7,731.63 = 1,258.83/x
  3. Step 3: Cross multiply
    5,154.42x = 7,731.63 × 1,258.83
  4. Step 4: Simplify right side
    5,154.42x = 9,732,807.79
  5. Step 5: Solve for x
    x = 9,732,807.79/5,154.42
  6. Step 6: Final answer
    x = 1,888.25

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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.