Home / 7,669.77-10,590.93-4,842.20

Finding the Fourth Proportional to 7,669.77, 10,590.93 and 4,842.20

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Solution

The fourth proportional to 7,669.77, 10,590.93 and 4,842.20 is: 6,686.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,669.77 : 10,590.93 = 4,842.20 : x
  2. Step 2: Convert to fraction form
    7,669.77/10,590.93 = 4,842.20/x
  3. Step 3: Cross multiply
    7,669.77x = 10,590.93 × 4,842.20
  4. Step 4: Simplify right side
    7,669.77x = 51,283,348.29
  5. Step 5: Solve for x
    x = 51,283,348.29/7,669.77
  6. Step 6: Final answer
    x = 6,686.43

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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.