Home / 7,766.63-10,708.67-6,345.08

Finding the Fourth Proportional to 7,766.63, 10,708.67 and 6,345.08

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Solution

The fourth proportional to 7,766.63, 10,708.67 and 6,345.08 is: 8,748.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.63 : 10,708.67 = 6,345.08 : x
  2. Step 2: Convert to fraction form
    7,766.63/10,708.67 = 6,345.08/x
  3. Step 3: Cross multiply
    7,766.63x = 10,708.67 × 6,345.08
  4. Step 4: Simplify right side
    7,766.63x = 67,947,326.45
  5. Step 5: Solve for x
    x = 67,947,326.45/7,766.63
  6. Step 6: Final answer
    x = 8,748.63

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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.