Home / 5,270.77-7,907.36-1,572.86

Finding the Fourth Proportional to 5,270.77, 7,907.36 and 1,572.86

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Solution

The fourth proportional to 5,270.77, 7,907.36 and 1,572.86 is: 2,359.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.77 : 7,907.36 = 1,572.86 : x
  2. Step 2: Convert to fraction form
    5,270.77/7,907.36 = 1,572.86/x
  3. Step 3: Cross multiply
    5,270.77x = 7,907.36 × 1,572.86
  4. Step 4: Simplify right side
    5,270.77x = 12,437,182.15
  5. Step 5: Solve for x
    x = 12,437,182.15/5,270.77
  6. Step 6: Final answer
    x = 2,359.65

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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.