Home / 5,018.10-7,527.18-1,320.36

Finding the Fourth Proportional to 5,018.10, 7,527.18 and 1,320.36

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Solution

The fourth proportional to 5,018.10, 7,527.18 and 1,320.36 is: 1,980.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.10 : 7,527.18 = 1,320.36 : x
  2. Step 2: Convert to fraction form
    5,018.10/7,527.18 = 1,320.36/x
  3. Step 3: Cross multiply
    5,018.10x = 7,527.18 × 1,320.36
  4. Step 4: Simplify right side
    5,018.10x = 9,938,587.38
  5. Step 5: Solve for x
    x = 9,938,587.38/5,018.10
  6. Step 6: Final answer
    x = 1,980.55

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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.