Home / 5,259.15-7,887.51-1,560.49

Finding the Fourth Proportional to 5,259.15, 7,887.51 and 1,560.49

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Solution

The fourth proportional to 5,259.15, 7,887.51 and 1,560.49 is: 2,340.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.15 : 7,887.51 = 1,560.49 : x
  2. Step 2: Convert to fraction form
    5,259.15/7,887.51 = 1,560.49/x
  3. Step 3: Cross multiply
    5,259.15x = 7,887.51 × 1,560.49
  4. Step 4: Simplify right side
    5,259.15x = 12,308,360.76
  5. Step 5: Solve for x
    x = 12,308,360.76/5,259.15
  6. Step 6: Final answer
    x = 2,340.37

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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.