Home / 5,353.71-8,031.77-2,888.47

Finding the Fourth Proportional to 5,353.71, 8,031.77 and 2,888.47

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Solution

The fourth proportional to 5,353.71, 8,031.77 and 2,888.47 is: 4,333.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.71 : 8,031.77 = 2,888.47 : x
  2. Step 2: Convert to fraction form
    5,353.71/8,031.77 = 2,888.47/x
  3. Step 3: Cross multiply
    5,353.71x = 8,031.77 × 2,888.47
  4. Step 4: Simplify right side
    5,353.71x = 23,199,549.37
  5. Step 5: Solve for x
    x = 23,199,549.37/5,353.71
  6. Step 6: Final answer
    x = 4,333.36

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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.