Home / 5,306.34-7,338.66-4,642.05

Finding the Fourth Proportional to 5,306.34, 7,338.66 and 4,642.05

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Solution

The fourth proportional to 5,306.34, 7,338.66 and 4,642.05 is: 6,419.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306.34 : 7,338.66 = 4,642.05 : x
  2. Step 2: Convert to fraction form
    5,306.34/7,338.66 = 4,642.05/x
  3. Step 3: Cross multiply
    5,306.34x = 7,338.66 × 4,642.05
  4. Step 4: Simplify right side
    5,306.34x = 34,066,426.65
  5. Step 5: Solve for x
    x = 34,066,426.65/5,306.34
  6. Step 6: Final answer
    x = 6,419.95

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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.