Home / 5,328.08-7,352.40-3,089.80

Finding the Fourth Proportional to 5,328.08, 7,352.40 and 3,089.80

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Solution

The fourth proportional to 5,328.08, 7,352.40 and 3,089.80 is: 4,263.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.08 : 7,352.40 = 3,089.80 : x
  2. Step 2: Convert to fraction form
    5,328.08/7,352.40 = 3,089.80/x
  3. Step 3: Cross multiply
    5,328.08x = 7,352.40 × 3,089.80
  4. Step 4: Simplify right side
    5,328.08x = 22,717,445.52
  5. Step 5: Solve for x
    x = 22,717,445.52/5,328.08
  6. Step 6: Final answer
    x = 4,263.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.