Home / 6,345.02-8,755.08-3,985.50

Finding the Fourth Proportional to 6,345.02, 8,755.08 and 3,985.50

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Solution

The fourth proportional to 6,345.02, 8,755.08 and 3,985.50 is: 5,499.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.02 : 8,755.08 = 3,985.50 : x
  2. Step 2: Convert to fraction form
    6,345.02/8,755.08 = 3,985.50/x
  3. Step 3: Cross multiply
    6,345.02x = 8,755.08 × 3,985.50
  4. Step 4: Simplify right side
    6,345.02x = 34,893,371.34
  5. Step 5: Solve for x
    x = 34,893,371.34/6,345.02
  6. Step 6: Final answer
    x = 5,499.33

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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.