Home / 6,904.89-9,532.35-5,389.19

Finding the Fourth Proportional to 6,904.89, 9,532.35 and 5,389.19

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Solution

The fourth proportional to 6,904.89, 9,532.35 and 5,389.19 is: 7,439.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,904.89 : 9,532.35 = 5,389.19 : x
  2. Step 2: Convert to fraction form
    6,904.89/9,532.35 = 5,389.19/x
  3. Step 3: Cross multiply
    6,904.89x = 9,532.35 × 5,389.19
  4. Step 4: Simplify right side
    6,904.89x = 51,371,682.60
  5. Step 5: Solve for x
    x = 51,371,682.60/6,904.89
  6. Step 6: Final answer
    x = 7,439.90

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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.