Home / 9,277.11-12,802.40-5,085.39

Finding the Fourth Proportional to 9,277.11, 12,802.40 and 5,085.39

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Solution

The fourth proportional to 9,277.11, 12,802.40 and 5,085.39 is: 7,017.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,277.11 : 12,802.40 = 5,085.39 : x
  2. Step 2: Convert to fraction form
    9,277.11/12,802.40 = 5,085.39/x
  3. Step 3: Cross multiply
    9,277.11x = 12,802.40 × 5,085.39
  4. Step 4: Simplify right side
    9,277.11x = 65,105,171.51
  5. Step 5: Solve for x
    x = 65,105,171.51/9,277.11
  6. Step 6: Final answer
    x = 7,017.83

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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.