Home / 5,435.91-7,500.45-3,077.60

Finding the Fourth Proportional to 5,435.91, 7,500.45 and 3,077.60

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Solution

The fourth proportional to 5,435.91, 7,500.45 and 3,077.60 is: 4,246.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.91 : 7,500.45 = 3,077.60 : x
  2. Step 2: Convert to fraction form
    5,435.91/7,500.45 = 3,077.60/x
  3. Step 3: Cross multiply
    5,435.91x = 7,500.45 × 3,077.60
  4. Step 4: Simplify right side
    5,435.91x = 23,083,341.65
  5. Step 5: Solve for x
    x = 23,083,341.65/5,435.91
  6. Step 6: Final answer
    x = 4,246.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.