Home / 8,265.08-11,405.40-4,679.48

Finding the Fourth Proportional to 8,265.08, 11,405.40 and 4,679.48

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Solution

The fourth proportional to 8,265.08, 11,405.40 and 4,679.48 is: 6,457.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.08 : 11,405.40 = 4,679.48 : x
  2. Step 2: Convert to fraction form
    8,265.08/11,405.40 = 4,679.48/x
  3. Step 3: Cross multiply
    8,265.08x = 11,405.40 × 4,679.48
  4. Step 4: Simplify right side
    8,265.08x = 53,371,341.19
  5. Step 5: Solve for x
    x = 53,371,341.19/8,265.08
  6. Step 6: Final answer
    x = 6,457.45

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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.