Home / 7,864.20-10,852.36-4,279.08

Finding the Fourth Proportional to 7,864.20, 10,852.36 and 4,279.08

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Solution

The fourth proportional to 7,864.20, 10,852.36 and 4,279.08 is: 5,905.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.20 : 10,852.36 = 4,279.08 : x
  2. Step 2: Convert to fraction form
    7,864.20/10,852.36 = 4,279.08/x
  3. Step 3: Cross multiply
    7,864.20x = 10,852.36 × 4,279.08
  4. Step 4: Simplify right side
    7,864.20x = 46,438,116.63
  5. Step 5: Solve for x
    x = 46,438,116.63/7,864.20
  6. Step 6: Final answer
    x = 5,905.00

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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.