Home / 7,795.06-10,756.87-4,258.40

Finding the Fourth Proportional to 7,795.06, 10,756.87 and 4,258.40

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Solution

The fourth proportional to 7,795.06, 10,756.87 and 4,258.40 is: 5,876.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,795.06 : 10,756.87 = 4,258.40 : x
  2. Step 2: Convert to fraction form
    7,795.06/10,756.87 = 4,258.40/x
  3. Step 3: Cross multiply
    7,795.06x = 10,756.87 × 4,258.40
  4. Step 4: Simplify right side
    7,795.06x = 45,806,990.78
  5. Step 5: Solve for x
    x = 45,806,990.78/7,795.06
  6. Step 6: Final answer
    x = 5,876.41

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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.