Home / 7,930.98-10,924.47-6,670.62

Finding the Fourth Proportional to 7,930.98, 10,924.47 and 6,670.62

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Solution

The fourth proportional to 7,930.98, 10,924.47 and 6,670.62 is: 9,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.98 : 10,924.47 = 6,670.62 : x
  2. Step 2: Convert to fraction form
    7,930.98/10,924.47 = 6,670.62/x
  3. Step 3: Cross multiply
    7,930.98x = 10,924.47 × 6,670.62
  4. Step 4: Simplify right side
    7,930.98x = 72,872,988.07
  5. Step 5: Solve for x
    x = 72,872,988.07/7,930.98
  6. Step 6: Final answer
    x = 9,188.40

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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.