Home / 4,752.07-7,130.23-1,979.37

Finding the Fourth Proportional to 4,752.07, 7,130.23 and 1,979.37

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Solution

The fourth proportional to 4,752.07, 7,130.23 and 1,979.37 is: 2,969.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752.07 : 7,130.23 = 1,979.37 : x
  2. Step 2: Convert to fraction form
    4,752.07/7,130.23 = 1,979.37/x
  3. Step 3: Cross multiply
    4,752.07x = 7,130.23 × 1,979.37
  4. Step 4: Simplify right side
    4,752.07x = 14,113,358.41
  5. Step 5: Solve for x
    x = 14,113,358.41/4,752.07
  6. Step 6: Final answer
    x = 2,969.94

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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.