Home / 7,038.88-9,713.56-3,852.12

Finding the Fourth Proportional to 7,038.88, 9,713.56 and 3,852.12

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Solution

The fourth proportional to 7,038.88, 9,713.56 and 3,852.12 is: 5,315.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038.88 : 9,713.56 = 3,852.12 : x
  2. Step 2: Convert to fraction form
    7,038.88/9,713.56 = 3,852.12/x
  3. Step 3: Cross multiply
    7,038.88x = 9,713.56 × 3,852.12
  4. Step 4: Simplify right side
    7,038.88x = 37,417,798.75
  5. Step 5: Solve for x
    x = 37,417,798.75/7,038.88
  6. Step 6: Final answer
    x = 5,315.87

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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.