Home / 7,260.15-10,892.65-2,878.86

Finding the Fourth Proportional to 7,260.15, 10,892.65 and 2,878.86

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Solution

The fourth proportional to 7,260.15, 10,892.65 and 2,878.86 is: 4,319.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.15 : 10,892.65 = 2,878.86 : x
  2. Step 2: Convert to fraction form
    7,260.15/10,892.65 = 2,878.86/x
  3. Step 3: Cross multiply
    7,260.15x = 10,892.65 × 2,878.86
  4. Step 4: Simplify right side
    7,260.15x = 31,358,352.72
  5. Step 5: Solve for x
    x = 31,358,352.72/7,260.15
  6. Step 6: Final answer
    x = 4,319.25

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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.