Home / 7,985.52-11,017.47-4,627.14

Finding the Fourth Proportional to 7,985.52, 11,017.47 and 4,627.14

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Solution

The fourth proportional to 7,985.52, 11,017.47 and 4,627.14 is: 6,383.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,985.52 : 11,017.47 = 4,627.14 : x
  2. Step 2: Convert to fraction form
    7,985.52/11,017.47 = 4,627.14/x
  3. Step 3: Cross multiply
    7,985.52x = 11,017.47 × 4,627.14
  4. Step 4: Simplify right side
    7,985.52x = 50,979,376.14
  5. Step 5: Solve for x
    x = 50,979,376.14/7,985.52
  6. Step 6: Final answer
    x = 6,383.98

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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.