Home / 8,448.75-11,655.23-5,465.52

Finding the Fourth Proportional to 8,448.75, 11,655.23 and 5,465.52

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Solution

The fourth proportional to 8,448.75, 11,655.23 and 5,465.52 is: 7,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448.75 : 11,655.23 = 5,465.52 : x
  2. Step 2: Convert to fraction form
    8,448.75/11,655.23 = 5,465.52/x
  3. Step 3: Cross multiply
    8,448.75x = 11,655.23 × 5,465.52
  4. Step 4: Simplify right side
    8,448.75x = 63,701,865.34
  5. Step 5: Solve for x
    x = 63,701,865.34/8,448.75
  6. Step 6: Final answer
    x = 7,539.80

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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.