Home / 7,030.84-9,703.14-3,888.04

Finding the Fourth Proportional to 7,030.84, 9,703.14 and 3,888.04

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Solution

The fourth proportional to 7,030.84, 9,703.14 and 3,888.04 is: 5,365.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030.84 : 9,703.14 = 3,888.04 : x
  2. Step 2: Convert to fraction form
    7,030.84/9,703.14 = 3,888.04/x
  3. Step 3: Cross multiply
    7,030.84x = 9,703.14 × 3,888.04
  4. Step 4: Simplify right side
    7,030.84x = 37,726,196.45
  5. Step 5: Solve for x
    x = 37,726,196.45/7,030.84
  6. Step 6: Final answer
    x = 5,365.82

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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.