Home / 4,688.64-7,032.96-2,216.40

Finding the Fourth Proportional to 4,688.64, 7,032.96 and 2,216.40

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Solution

The fourth proportional to 4,688.64, 7,032.96 and 2,216.40 is: 3,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.64 : 7,032.96 = 2,216.40 : x
  2. Step 2: Convert to fraction form
    4,688.64/7,032.96 = 2,216.40/x
  3. Step 3: Cross multiply
    4,688.64x = 7,032.96 × 2,216.40
  4. Step 4: Simplify right side
    4,688.64x = 15,587,852.54
  5. Step 5: Solve for x
    x = 15,587,852.54/4,688.64
  6. Step 6: Final answer
    x = 3,324.60

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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.