Home / 5,435.10-8,079.33-5,275.47

Finding the Fourth Proportional to 5,435.10, 8,079.33 and 5,275.47

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Solution

The fourth proportional to 5,435.10, 8,079.33 and 5,275.47 is: 7,842.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.10 : 8,079.33 = 5,275.47 : x
  2. Step 2: Convert to fraction form
    5,435.10/8,079.33 = 5,275.47/x
  3. Step 3: Cross multiply
    5,435.10x = 8,079.33 × 5,275.47
  4. Step 4: Simplify right side
    5,435.10x = 42,622,313.12
  5. Step 5: Solve for x
    x = 42,622,313.12/5,435.10
  6. Step 6: Final answer
    x = 7,842.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.