Home / 5,427.63-8,140.52-1,531.13

Finding the Fourth Proportional to 5,427.63, 8,140.52 and 1,531.13

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Solution

The fourth proportional to 5,427.63, 8,140.52 and 1,531.13 is: 2,296.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.63 : 8,140.52 = 1,531.13 : x
  2. Step 2: Convert to fraction form
    5,427.63/8,140.52 = 1,531.13/x
  3. Step 3: Cross multiply
    5,427.63x = 8,140.52 × 1,531.13
  4. Step 4: Simplify right side
    5,427.63x = 12,464,157.51
  5. Step 5: Solve for x
    x = 12,464,157.51/5,427.63
  6. Step 6: Final answer
    x = 2,296.43

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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.