Home / 9,428.42-13,011.48-5,652.20

Finding the Fourth Proportional to 9,428.42, 13,011.48 and 5,652.20

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Solution

The fourth proportional to 9,428.42, 13,011.48 and 5,652.20 is: 7,800.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.42 : 13,011.48 = 5,652.20 : x
  2. Step 2: Convert to fraction form
    9,428.42/13,011.48 = 5,652.20/x
  3. Step 3: Cross multiply
    9,428.42x = 13,011.48 × 5,652.20
  4. Step 4: Simplify right side
    9,428.42x = 73,543,422.20
  5. Step 5: Solve for x
    x = 73,543,422.20/9,428.42
  6. Step 6: Final answer
    x = 7,800.19

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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.