Home / 9,239.07-12,749.90-5,047.35

Finding the Fourth Proportional to 9,239.07, 12,749.90 and 5,047.35

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Solution

The fourth proportional to 9,239.07, 12,749.90 and 5,047.35 is: 6,965.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,239.07 : 12,749.90 = 5,047.35 : x
  2. Step 2: Convert to fraction form
    9,239.07/12,749.90 = 5,047.35/x
  3. Step 3: Cross multiply
    9,239.07x = 12,749.90 × 5,047.35
  4. Step 4: Simplify right side
    9,239.07x = 64,353,182.53
  5. Step 5: Solve for x
    x = 64,353,182.53/9,239.07
  6. Step 6: Final answer
    x = 6,965.33

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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.