Home / 7,477.21-10,320.13-4,291.03

Finding the Fourth Proportional to 7,477.21, 10,320.13 and 4,291.03

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Solution

The fourth proportional to 7,477.21, 10,320.13 and 4,291.03 is: 5,922.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.21 : 10,320.13 = 4,291.03 : x
  2. Step 2: Convert to fraction form
    7,477.21/10,320.13 = 4,291.03/x
  3. Step 3: Cross multiply
    7,477.21x = 10,320.13 × 4,291.03
  4. Step 4: Simplify right side
    7,477.21x = 44,283,959.72
  5. Step 5: Solve for x
    x = 44,283,959.72/7,477.21
  6. Step 6: Final answer
    x = 5,922.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.