Home / 5,353.64-8,031.06-1,458.08

Finding the Fourth Proportional to 5,353.64, 8,031.06 and 1,458.08

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Solution

The fourth proportional to 5,353.64, 8,031.06 and 1,458.08 is: 2,187.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.64 : 8,031.06 = 1,458.08 : x
  2. Step 2: Convert to fraction form
    5,353.64/8,031.06 = 1,458.08/x
  3. Step 3: Cross multiply
    5,353.64x = 8,031.06 × 1,458.08
  4. Step 4: Simplify right side
    5,353.64x = 11,709,927.96
  5. Step 5: Solve for x
    x = 11,709,927.96/5,353.64
  6. Step 6: Final answer
    x = 2,187.28

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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.