Home / 4,362.28-6,541.86-1,440.16

Finding the Fourth Proportional to 4,362.28, 6,541.86 and 1,440.16

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Solution

The fourth proportional to 4,362.28, 6,541.86 and 1,440.16 is: 2,159.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,362.28 : 6,541.86 = 1,440.16 : x
  2. Step 2: Convert to fraction form
    4,362.28/6,541.86 = 1,440.16/x
  3. Step 3: Cross multiply
    4,362.28x = 6,541.86 × 1,440.16
  4. Step 4: Simplify right side
    4,362.28x = 9,421,325.10
  5. Step 5: Solve for x
    x = 9,421,325.10/4,362.28
  6. Step 6: Final answer
    x = 2,159.72

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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.