Home / 5,471.19-7,545-3,478.20

Finding the Fourth Proportional to 5,471.19, 7,545 and 3,478.20

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Solution

The fourth proportional to 5,471.19, 7,545 and 3,478.20 is: 4,796.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.19 : 7,545 = 3,478.20 : x
  2. Step 2: Convert to fraction form
    5,471.19/7,545 = 3,478.20/x
  3. Step 3: Cross multiply
    5,471.19x = 7,545 × 3,478.20
  4. Step 4: Simplify right side
    5,471.19x = 26,243,019
  5. Step 5: Solve for x
    x = 26,243,019/5,471.19
  6. Step 6: Final answer
    x = 4,796.58

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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.