Home / 7,133.43-10,647.88-6,291.76

Finding the Fourth Proportional to 7,133.43, 10,647.88 and 6,291.76

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Solution

The fourth proportional to 7,133.43, 10,647.88 and 6,291.76 is: 9,391.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,133.43 : 10,647.88 = 6,291.76 : x
  2. Step 2: Convert to fraction form
    7,133.43/10,647.88 = 6,291.76/x
  3. Step 3: Cross multiply
    7,133.43x = 10,647.88 × 6,291.76
  4. Step 4: Simplify right side
    7,133.43x = 66,993,852.23
  5. Step 5: Solve for x
    x = 66,993,852.23/7,133.43
  6. Step 6: Final answer
    x = 9,391.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.