Home / 9,276.90-12,802.04-5,085.14

Finding the Fourth Proportional to 9,276.90, 12,802.04 and 5,085.14

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Solution

The fourth proportional to 9,276.90, 12,802.04 and 5,085.14 is: 7,017.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,276.90 : 12,802.04 = 5,085.14 : x
  2. Step 2: Convert to fraction form
    9,276.90/12,802.04 = 5,085.14/x
  3. Step 3: Cross multiply
    9,276.90x = 12,802.04 × 5,085.14
  4. Step 4: Simplify right side
    9,276.90x = 65,100,165.69
  5. Step 5: Solve for x
    x = 65,100,165.69/9,276.90
  6. Step 6: Final answer
    x = 7,017.45

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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.