Home / 7,156.81-9,881.36-4,469.10

Finding the Fourth Proportional to 7,156.81, 9,881.36 and 4,469.10

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Solution

The fourth proportional to 7,156.81, 9,881.36 and 4,469.10 is: 6,170.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156.81 : 9,881.36 = 4,469.10 : x
  2. Step 2: Convert to fraction form
    7,156.81/9,881.36 = 4,469.10/x
  3. Step 3: Cross multiply
    7,156.81x = 9,881.36 × 4,469.10
  4. Step 4: Simplify right side
    7,156.81x = 44,160,785.98
  5. Step 5: Solve for x
    x = 44,160,785.98/7,156.81
  6. Step 6: Final answer
    x = 6,170.46

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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.