Home / 9,768.02-13,479.75-5,291.71

Finding the Fourth Proportional to 9,768.02, 13,479.75 and 5,291.71

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Solution

The fourth proportional to 9,768.02, 13,479.75 and 5,291.71 is: 7,302.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,768.02 : 13,479.75 = 5,291.71 : x
  2. Step 2: Convert to fraction form
    9,768.02/13,479.75 = 5,291.71/x
  3. Step 3: Cross multiply
    9,768.02x = 13,479.75 × 5,291.71
  4. Step 4: Simplify right side
    9,768.02x = 71,330,894.17
  5. Step 5: Solve for x
    x = 71,330,894.17/9,768.02
  6. Step 6: Final answer
    x = 7,302.50

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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.