Home / 7,018.10-9,685.28-4,034.87

Finding the Fourth Proportional to 7,018.10, 9,685.28 and 4,034.87

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Solution

The fourth proportional to 7,018.10, 9,685.28 and 4,034.87 is: 5,568.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018.10 : 9,685.28 = 4,034.87 : x
  2. Step 2: Convert to fraction form
    7,018.10/9,685.28 = 4,034.87/x
  3. Step 3: Cross multiply
    7,018.10x = 9,685.28 × 4,034.87
  4. Step 4: Simplify right side
    7,018.10x = 39,078,807.37
  5. Step 5: Solve for x
    x = 39,078,807.37/7,018.10
  6. Step 6: Final answer
    x = 5,568.29

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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.