Home / 5,739.02-7,913.62-4,986.34

Finding the Fourth Proportional to 5,739.02, 7,913.62 and 4,986.34

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Solution

The fourth proportional to 5,739.02, 7,913.62 and 4,986.34 is: 6,875.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,739.02 : 7,913.62 = 4,986.34 : x
  2. Step 2: Convert to fraction form
    5,739.02/7,913.62 = 4,986.34/x
  3. Step 3: Cross multiply
    5,739.02x = 7,913.62 × 4,986.34
  4. Step 4: Simplify right side
    5,739.02x = 39,459,999.95
  5. Step 5: Solve for x
    x = 39,459,999.95/5,739.02
  6. Step 6: Final answer
    x = 6,875.74

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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.