Home / 4,880.32-7,322.08-1,957.84

Finding the Fourth Proportional to 4,880.32, 7,322.08 and 1,957.84

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Solution

The fourth proportional to 4,880.32, 7,322.08 and 1,957.84 is: 2,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.32 : 7,322.08 = 1,957.84 : x
  2. Step 2: Convert to fraction form
    4,880.32/7,322.08 = 1,957.84/x
  3. Step 3: Cross multiply
    4,880.32x = 7,322.08 × 1,957.84
  4. Step 4: Simplify right side
    4,880.32x = 14,335,461.11
  5. Step 5: Solve for x
    x = 14,335,461.11/4,880.32
  6. Step 6: Final answer
    x = 2,937.40

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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.