Home / 5,487.02-8,229.60-1,590.50

Finding the Fourth Proportional to 5,487.02, 8,229.60 and 1,590.50

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Solution

The fourth proportional to 5,487.02, 8,229.60 and 1,590.50 is: 2,385.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.02 : 8,229.60 = 1,590.50 : x
  2. Step 2: Convert to fraction form
    5,487.02/8,229.60 = 1,590.50/x
  3. Step 3: Cross multiply
    5,487.02x = 8,229.60 × 1,590.50
  4. Step 4: Simplify right side
    5,487.02x = 13,089,178.80
  5. Step 5: Solve for x
    x = 13,089,178.80/5,487.02
  6. Step 6: Final answer
    x = 2,385.48

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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.