Home / 7,940.13-10,956.65-4,403.13

Finding the Fourth Proportional to 7,940.13, 10,956.65 and 4,403.13

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Solution

The fourth proportional to 7,940.13, 10,956.65 and 4,403.13 is: 6,075.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940.13 : 10,956.65 = 4,403.13 : x
  2. Step 2: Convert to fraction form
    7,940.13/10,956.65 = 4,403.13/x
  3. Step 3: Cross multiply
    7,940.13x = 10,956.65 × 4,403.13
  4. Step 4: Simplify right side
    7,940.13x = 48,243,532.30
  5. Step 5: Solve for x
    x = 48,243,532.30/7,940.13
  6. Step 6: Final answer
    x = 6,075.91

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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.