Home / 4,719.28-6,506.58-3,643.60

Finding the Fourth Proportional to 4,719.28, 6,506.58 and 3,643.60

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Solution

The fourth proportional to 4,719.28, 6,506.58 and 3,643.60 is: 5,023.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.28 : 6,506.58 = 3,643.60 : x
  2. Step 2: Convert to fraction form
    4,719.28/6,506.58 = 3,643.60/x
  3. Step 3: Cross multiply
    4,719.28x = 6,506.58 × 3,643.60
  4. Step 4: Simplify right side
    4,719.28x = 23,707,374.89
  5. Step 5: Solve for x
    x = 23,707,374.89/4,719.28
  6. Step 6: Final answer
    x = 5,023.52

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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.