Home / 7,756.04-10,703.60-4,219.38

Finding the Fourth Proportional to 7,756.04, 10,703.60 and 4,219.38

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Solution

The fourth proportional to 7,756.04, 10,703.60 and 4,219.38 is: 5,822.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.04 : 10,703.60 = 4,219.38 : x
  2. Step 2: Convert to fraction form
    7,756.04/10,703.60 = 4,219.38/x
  3. Step 3: Cross multiply
    7,756.04x = 10,703.60 × 4,219.38
  4. Step 4: Simplify right side
    7,756.04x = 45,162,534.67
  5. Step 5: Solve for x
    x = 45,162,534.67/7,756.04
  6. Step 6: Final answer
    x = 5,822.89

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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.