Home / 7,678.07-10,595.77-4,320.93

Finding the Fourth Proportional to 7,678.07, 10,595.77 and 4,320.93

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Solution

The fourth proportional to 7,678.07, 10,595.77 and 4,320.93 is: 5,962.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,678.07 : 10,595.77 = 4,320.93 : x
  2. Step 2: Convert to fraction form
    7,678.07/10,595.77 = 4,320.93/x
  3. Step 3: Cross multiply
    7,678.07x = 10,595.77 × 4,320.93
  4. Step 4: Simplify right side
    7,678.07x = 45,783,569.66
  5. Step 5: Solve for x
    x = 45,783,569.66/7,678.07
  6. Step 6: Final answer
    x = 5,962.90

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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.