Home / 7,387.89-10,192.07-4,866.77

Finding the Fourth Proportional to 7,387.89, 10,192.07 and 4,866.77

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Solution

The fourth proportional to 7,387.89, 10,192.07 and 4,866.77 is: 6,714.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.89 : 10,192.07 = 4,866.77 : x
  2. Step 2: Convert to fraction form
    7,387.89/10,192.07 = 4,866.77/x
  3. Step 3: Cross multiply
    7,387.89x = 10,192.07 × 4,866.77
  4. Step 4: Simplify right side
    7,387.89x = 49,602,421.72
  5. Step 5: Solve for x
    x = 49,602,421.72/7,387.89
  6. Step 6: Final answer
    x = 6,714.02

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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.