Home / 5,259.02-7,887.20-1,560.39

Finding the Fourth Proportional to 5,259.02, 7,887.20 and 1,560.39

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Solution

The fourth proportional to 5,259.02, 7,887.20 and 1,560.39 is: 2,340.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.02 : 7,887.20 = 1,560.39 : x
  2. Step 2: Convert to fraction form
    5,259.02/7,887.20 = 1,560.39/x
  3. Step 3: Cross multiply
    5,259.02x = 7,887.20 × 1,560.39
  4. Step 4: Simplify right side
    5,259.02x = 12,307,111.91
  5. Step 5: Solve for x
    x = 12,307,111.91/5,259.02
  6. Step 6: Final answer
    x = 2,340.19

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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.