Home / 7,106.56-9,807.14-4,122.52

Finding the Fourth Proportional to 7,106.56, 9,807.14 and 4,122.52

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Solution

The fourth proportional to 7,106.56, 9,807.14 and 4,122.52 is: 5,689.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106.56 : 9,807.14 = 4,122.52 : x
  2. Step 2: Convert to fraction form
    7,106.56/9,807.14 = 4,122.52/x
  3. Step 3: Cross multiply
    7,106.56x = 9,807.14 × 4,122.52
  4. Step 4: Simplify right side
    7,106.56x = 40,430,130.79
  5. Step 5: Solve for x
    x = 40,430,130.79/7,106.56
  6. Step 6: Final answer
    x = 5,689.13

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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.