Home / 7,905.30-10,904.34-5,069.70

Finding the Fourth Proportional to 7,905.30, 10,904.34 and 5,069.70

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Solution

The fourth proportional to 7,905.30, 10,904.34 and 5,069.70 is: 6,993.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.30 : 10,904.34 = 5,069.70 : x
  2. Step 2: Convert to fraction form
    7,905.30/10,904.34 = 5,069.70/x
  3. Step 3: Cross multiply
    7,905.30x = 10,904.34 × 5,069.70
  4. Step 4: Simplify right side
    7,905.30x = 55,281,732.50
  5. Step 5: Solve for x
    x = 55,281,732.50/7,905.30
  6. Step 6: Final answer
    x = 6,993.00

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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.