Home / 4,880.08-7,320.36-1,417.40

Finding the Fourth Proportional to 4,880.08, 7,320.36 and 1,417.40

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Solution

The fourth proportional to 4,880.08, 7,320.36 and 1,417.40 is: 2,126.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.08 : 7,320.36 = 1,417.40 : x
  2. Step 2: Convert to fraction form
    4,880.08/7,320.36 = 1,417.40/x
  3. Step 3: Cross multiply
    4,880.08x = 7,320.36 × 1,417.40
  4. Step 4: Simplify right side
    4,880.08x = 10,375,878.26
  5. Step 5: Solve for x
    x = 10,375,878.26/4,880.08
  6. Step 6: Final answer
    x = 2,126.17

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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.