Home / 7,763.52-10,703.64-6,345.72

Finding the Fourth Proportional to 7,763.52, 10,703.64 and 6,345.72

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Solution

The fourth proportional to 7,763.52, 10,703.64 and 6,345.72 is: 8,748.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763.52 : 10,703.64 = 6,345.72 : x
  2. Step 2: Convert to fraction form
    7,763.52/10,703.64 = 6,345.72/x
  3. Step 3: Cross multiply
    7,763.52x = 10,703.64 × 6,345.72
  4. Step 4: Simplify right side
    7,763.52x = 67,922,302.42
  5. Step 5: Solve for x
    x = 67,922,302.42/7,763.52
  6. Step 6: Final answer
    x = 8,748.91

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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.