Home / 4,746-7,118.64-2,148.24

Finding the Fourth Proportional to 4,746, 7,118.64 and 2,148.24

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Solution

The fourth proportional to 4,746, 7,118.64 and 2,148.24 is: 3,222.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,746 : 7,118.64 = 2,148.24 : x
  2. Step 2: Convert to fraction form
    4,746/7,118.64 = 2,148.24/x
  3. Step 3: Cross multiply
    4,746x = 7,118.64 × 2,148.24
  4. Step 4: Simplify right side
    4,746x = 15,292,547.19
  5. Step 5: Solve for x
    x = 15,292,547.19/4,746
  6. Step 6: Final answer
    x = 3,222.20

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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.