Home / 7,800.16-10,763.45-4,442.71

Finding the Fourth Proportional to 7,800.16, 10,763.45 and 4,442.71

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Solution

The fourth proportional to 7,800.16, 10,763.45 and 4,442.71 is: 6,130.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800.16 : 10,763.45 = 4,442.71 : x
  2. Step 2: Convert to fraction form
    7,800.16/10,763.45 = 4,442.71/x
  3. Step 3: Cross multiply
    7,800.16x = 10,763.45 × 4,442.71
  4. Step 4: Simplify right side
    7,800.16x = 47,818,833.13
  5. Step 5: Solve for x
    x = 47,818,833.13/7,800.16
  6. Step 6: Final answer
    x = 6,130.50

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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.