Home / 6,937.36-9,574.40-3,913.06

Finding the Fourth Proportional to 6,937.36, 9,574.40 and 3,913.06

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Solution

The fourth proportional to 6,937.36, 9,574.40 and 3,913.06 is: 5,400.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,937.36 : 9,574.40 = 3,913.06 : x
  2. Step 2: Convert to fraction form
    6,937.36/9,574.40 = 3,913.06/x
  3. Step 3: Cross multiply
    6,937.36x = 9,574.40 × 3,913.06
  4. Step 4: Simplify right side
    6,937.36x = 37,465,201.66
  5. Step 5: Solve for x
    x = 37,465,201.66/6,937.36
  6. Step 6: Final answer
    x = 5,400.50

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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.