Home / 6,995.40-9,653.36-4,009.18

Finding the Fourth Proportional to 6,995.40, 9,653.36 and 4,009.18

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Solution

The fourth proportional to 6,995.40, 9,653.36 and 4,009.18 is: 5,532.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,995.40 : 9,653.36 = 4,009.18 : x
  2. Step 2: Convert to fraction form
    6,995.40/9,653.36 = 4,009.18/x
  3. Step 3: Cross multiply
    6,995.40x = 9,653.36 × 4,009.18
  4. Step 4: Simplify right side
    6,995.40x = 38,702,013.67
  5. Step 5: Solve for x
    x = 38,702,013.67/6,995.40
  6. Step 6: Final answer
    x = 5,532.49

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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.