Home / 7,985.47-11,020.95-4,583.74

Finding the Fourth Proportional to 7,985.47, 11,020.95 and 4,583.74

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Solution

The fourth proportional to 7,985.47, 11,020.95 and 4,583.74 is: 6,326.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,985.47 : 11,020.95 = 4,583.74 : x
  2. Step 2: Convert to fraction form
    7,985.47/11,020.95 = 4,583.74/x
  3. Step 3: Cross multiply
    7,985.47x = 11,020.95 × 4,583.74
  4. Step 4: Simplify right side
    7,985.47x = 50,517,169.35
  5. Step 5: Solve for x
    x = 50,517,169.35/7,985.47
  6. Step 6: Final answer
    x = 6,326.14

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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.