Home / 5,340.72-8,011.06-1,877.16

Finding the Fourth Proportional to 5,340.72, 8,011.06 and 1,877.16

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Solution

The fourth proportional to 5,340.72, 8,011.06 and 1,877.16 is: 2,815.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.72 : 8,011.06 = 1,877.16 : x
  2. Step 2: Convert to fraction form
    5,340.72/8,011.06 = 1,877.16/x
  3. Step 3: Cross multiply
    5,340.72x = 8,011.06 × 1,877.16
  4. Step 4: Simplify right side
    5,340.72x = 15,038,041.39
  5. Step 5: Solve for x
    x = 15,038,041.39/5,340.72
  6. Step 6: Final answer
    x = 2,815.73

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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.