Home / 9,739.58-13,437.39-5,490.11

Finding the Fourth Proportional to 9,739.58, 13,437.39 and 5,490.11

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Solution

The fourth proportional to 9,739.58, 13,437.39 and 5,490.11 is: 7,574.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,739.58 : 13,437.39 = 5,490.11 : x
  2. Step 2: Convert to fraction form
    9,739.58/13,437.39 = 5,490.11/x
  3. Step 3: Cross multiply
    9,739.58x = 13,437.39 × 5,490.11
  4. Step 4: Simplify right side
    9,739.58x = 73,772,682.03
  5. Step 5: Solve for x
    x = 73,772,682.03/9,739.58
  6. Step 6: Final answer
    x = 7,574.53

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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.