Home / 6,904.34-9,528.84-3,921.13

Finding the Fourth Proportional to 6,904.34, 9,528.84 and 3,921.13

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Solution

The fourth proportional to 6,904.34, 9,528.84 and 3,921.13 is: 5,411.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,904.34 : 9,528.84 = 3,921.13 : x
  2. Step 2: Convert to fraction form
    6,904.34/9,528.84 = 3,921.13/x
  3. Step 3: Cross multiply
    6,904.34x = 9,528.84 × 3,921.13
  4. Step 4: Simplify right side
    6,904.34x = 37,363,820.39
  5. Step 5: Solve for x
    x = 37,363,820.39/6,904.34
  6. Step 6: Final answer
    x = 5,411.64

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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.