Home / 8,995.13-13,480.73-4,777.48

Finding the Fourth Proportional to 8,995.13, 13,480.73 and 4,777.48

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Solution

The fourth proportional to 8,995.13, 13,480.73 and 4,777.48 is: 7,159.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,995.13 : 13,480.73 = 4,777.48 : x
  2. Step 2: Convert to fraction form
    8,995.13/13,480.73 = 4,777.48/x
  3. Step 3: Cross multiply
    8,995.13x = 13,480.73 × 4,777.48
  4. Step 4: Simplify right side
    8,995.13x = 64,403,928.84
  5. Step 5: Solve for x
    x = 64,403,928.84/8,995.13
  6. Step 6: Final answer
    x = 7,159.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.