Home / 7,628.02-11,445.95-5,778.52

Finding the Fourth Proportional to 7,628.02, 11,445.95 and 5,778.52

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Solution

The fourth proportional to 7,628.02, 11,445.95 and 5,778.52 is: 8,670.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628.02 : 11,445.95 = 5,778.52 : x
  2. Step 2: Convert to fraction form
    7,628.02/11,445.95 = 5,778.52/x
  3. Step 3: Cross multiply
    7,628.02x = 11,445.95 × 5,778.52
  4. Step 4: Simplify right side
    7,628.02x = 66,140,650.99
  5. Step 5: Solve for x
    x = 66,140,650.99/7,628.02
  6. Step 6: Final answer
    x = 8,670.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.