Home / 8,441.34-11,646.36-5,458.11

Finding the Fourth Proportional to 8,441.34, 11,646.36 and 5,458.11

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Solution

The fourth proportional to 8,441.34, 11,646.36 and 5,458.11 is: 7,530.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,441.34 : 11,646.36 = 5,458.11 : x
  2. Step 2: Convert to fraction form
    8,441.34/11,646.36 = 5,458.11/x
  3. Step 3: Cross multiply
    8,441.34x = 11,646.36 × 5,458.11
  4. Step 4: Simplify right side
    8,441.34x = 63,567,113.98
  5. Step 5: Solve for x
    x = 63,567,113.98/8,441.34
  6. Step 6: Final answer
    x = 7,530.45

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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.