Home / 7,670.07-11,507.84-4,385.93

Finding the Fourth Proportional to 7,670.07, 11,507.84 and 4,385.93

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Solution

The fourth proportional to 7,670.07, 11,507.84 and 4,385.93 is: 6,580.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,670.07 : 11,507.84 = 4,385.93 : x
  2. Step 2: Convert to fraction form
    7,670.07/11,507.84 = 4,385.93/x
  3. Step 3: Cross multiply
    7,670.07x = 11,507.84 × 4,385.93
  4. Step 4: Simplify right side
    7,670.07x = 50,472,562.89
  5. Step 5: Solve for x
    x = 50,472,562.89/7,670.07
  6. Step 6: Final answer
    x = 6,580.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.