Home / 7,210.49-10,802.97-6,159.78

Finding the Fourth Proportional to 7,210.49, 10,802.97 and 6,159.78

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Solution

The fourth proportional to 7,210.49, 10,802.97 and 6,159.78 is: 9,228.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.49 : 10,802.97 = 6,159.78 : x
  2. Step 2: Convert to fraction form
    7,210.49/10,802.97 = 6,159.78/x
  3. Step 3: Cross multiply
    7,210.49x = 10,802.97 × 6,159.78
  4. Step 4: Simplify right side
    7,210.49x = 66,543,918.55
  5. Step 5: Solve for x
    x = 66,543,918.55/7,210.49
  6. Step 6: Final answer
    x = 9,228.77

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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.