Home / 5,440.64-8,159.56-1,544.16

Finding the Fourth Proportional to 5,440.64, 8,159.56 and 1,544.16

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Solution

The fourth proportional to 5,440.64, 8,159.56 and 1,544.16 is: 2,315.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.64 : 8,159.56 = 1,544.16 : x
  2. Step 2: Convert to fraction form
    5,440.64/8,159.56 = 1,544.16/x
  3. Step 3: Cross multiply
    5,440.64x = 8,159.56 × 1,544.16
  4. Step 4: Simplify right side
    5,440.64x = 12,599,666.17
  5. Step 5: Solve for x
    x = 12,599,666.17/5,440.64
  6. Step 6: Final answer
    x = 2,315.84

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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.