Home / 9,933.79-13,708.89-5,457.66

Finding the Fourth Proportional to 9,933.79, 13,708.89 and 5,457.66

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Solution

The fourth proportional to 9,933.79, 13,708.89 and 5,457.66 is: 7,531.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,933.79 : 13,708.89 = 5,457.66 : x
  2. Step 2: Convert to fraction form
    9,933.79/13,708.89 = 5,457.66/x
  3. Step 3: Cross multiply
    9,933.79x = 13,708.89 × 5,457.66
  4. Step 4: Simplify right side
    9,933.79x = 74,818,364.76
  5. Step 5: Solve for x
    x = 74,818,364.76/9,933.79
  6. Step 6: Final answer
    x = 7,531.70

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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.