Home / 7,470.28-10,309.44-4,283.74

Finding the Fourth Proportional to 7,470.28, 10,309.44 and 4,283.74

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Solution

The fourth proportional to 7,470.28, 10,309.44 and 4,283.74 is: 5,911.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.28 : 10,309.44 = 4,283.74 : x
  2. Step 2: Convert to fraction form
    7,470.28/10,309.44 = 4,283.74/x
  3. Step 3: Cross multiply
    7,470.28x = 10,309.44 × 4,283.74
  4. Step 4: Simplify right side
    7,470.28x = 44,162,960.51
  5. Step 5: Solve for x
    x = 44,162,960.51/7,470.28
  6. Step 6: Final answer
    x = 5,911.82

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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.