Home / 5,509.85-8,263.70-1,560.15

Finding the Fourth Proportional to 5,509.85, 8,263.70 and 1,560.15

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Solution

The fourth proportional to 5,509.85, 8,263.70 and 1,560.15 is: 2,339.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.85 : 8,263.70 = 1,560.15 : x
  2. Step 2: Convert to fraction form
    5,509.85/8,263.70 = 1,560.15/x
  3. Step 3: Cross multiply
    5,509.85x = 8,263.70 × 1,560.15
  4. Step 4: Simplify right side
    5,509.85x = 12,892,570.24
  5. Step 5: Solve for x
    x = 12,892,570.24/5,509.85
  6. Step 6: Final answer
    x = 2,339.92

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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.