Home / 7,800.47-10,765.38-4,264.20

Finding the Fourth Proportional to 7,800.47, 10,765.38 and 4,264.20

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Solution

The fourth proportional to 7,800.47, 10,765.38 and 4,264.20 is: 5,885.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800.47 : 10,765.38 = 4,264.20 : x
  2. Step 2: Convert to fraction form
    7,800.47/10,765.38 = 4,264.20/x
  3. Step 3: Cross multiply
    7,800.47x = 10,765.38 × 4,264.20
  4. Step 4: Simplify right side
    7,800.47x = 45,905,733.40
  5. Step 5: Solve for x
    x = 45,905,733.40/7,800.47
  6. Step 6: Final answer
    x = 5,885.00

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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.