Home / 7,018.74-10,531.80-3,122.28

Finding the Fourth Proportional to 7,018.74, 10,531.80 and 3,122.28

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Solution

The fourth proportional to 7,018.74, 10,531.80 and 3,122.28 is: 4,685.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018.74 : 10,531.80 = 3,122.28 : x
  2. Step 2: Convert to fraction form
    7,018.74/10,531.80 = 3,122.28/x
  3. Step 3: Cross multiply
    7,018.74x = 10,531.80 × 3,122.28
  4. Step 4: Simplify right side
    7,018.74x = 32,883,228.50
  5. Step 5: Solve for x
    x = 32,883,228.50/7,018.74
  6. Step 6: Final answer
    x = 4,685.06

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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.