Home / 7,821.95-10,793.67-4,285.13

Finding the Fourth Proportional to 7,821.95, 10,793.67 and 4,285.13

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Solution

The fourth proportional to 7,821.95, 10,793.67 and 4,285.13 is: 5,913.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,821.95 : 10,793.67 = 4,285.13 : x
  2. Step 2: Convert to fraction form
    7,821.95/10,793.67 = 4,285.13/x
  3. Step 3: Cross multiply
    7,821.95x = 10,793.67 × 4,285.13
  4. Step 4: Simplify right side
    7,821.95x = 46,252,279.13
  5. Step 5: Solve for x
    x = 46,252,279.13/7,821.95
  6. Step 6: Final answer
    x = 5,913.14

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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.