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Finding the Fourth Proportional to 4,673.78, 7,012.04 and 1,752.32

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Solution

The fourth proportional to 4,673.78, 7,012.04 and 1,752.32 is: 2,628.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,673.78 : 7,012.04 = 1,752.32 : x
  2. Step 2: Convert to fraction form
    4,673.78/7,012.04 = 1,752.32/x
  3. Step 3: Cross multiply
    4,673.78x = 7,012.04 × 1,752.32
  4. Step 4: Simplify right side
    4,673.78x = 12,287,307.25
  5. Step 5: Solve for x
    x = 12,287,307.25/4,673.78
  6. Step 6: Final answer
    x = 2,628.99

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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.