Home / 7,828.10-10,799.56-4,470.18

Finding the Fourth Proportional to 7,828.10, 10,799.56 and 4,470.18

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Solution

The fourth proportional to 7,828.10, 10,799.56 and 4,470.18 is: 6,167.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.10 : 10,799.56 = 4,470.18 : x
  2. Step 2: Convert to fraction form
    7,828.10/10,799.56 = 4,470.18/x
  3. Step 3: Cross multiply
    7,828.10x = 10,799.56 × 4,470.18
  4. Step 4: Simplify right side
    7,828.10x = 48,275,900.77
  5. Step 5: Solve for x
    x = 48,275,900.77/7,828.10
  6. Step 6: Final answer
    x = 6,167.00

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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.