Home / 9,001.13-13,489.71-4,783.50

Finding the Fourth Proportional to 9,001.13, 13,489.71 and 4,783.50

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Solution

The fourth proportional to 9,001.13, 13,489.71 and 4,783.50 is: 7,168.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,001.13 : 13,489.71 = 4,783.50 : x
  2. Step 2: Convert to fraction form
    9,001.13/13,489.71 = 4,783.50/x
  3. Step 3: Cross multiply
    9,001.13x = 13,489.71 × 4,783.50
  4. Step 4: Simplify right side
    9,001.13x = 64,528,027.79
  5. Step 5: Solve for x
    x = 64,528,027.79/9,001.13
  6. Step 6: Final answer
    x = 7,168.88

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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.