Home / 7,443.09-10,271.21-4,085.84

Finding the Fourth Proportional to 7,443.09, 10,271.21 and 4,085.84

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Solution

The fourth proportional to 7,443.09, 10,271.21 and 4,085.84 is: 5,638.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,443.09 : 10,271.21 = 4,085.84 : x
  2. Step 2: Convert to fraction form
    7,443.09/10,271.21 = 4,085.84/x
  3. Step 3: Cross multiply
    7,443.09x = 10,271.21 × 4,085.84
  4. Step 4: Simplify right side
    7,443.09x = 41,966,525.92
  5. Step 5: Solve for x
    x = 41,966,525.92/7,443.09
  6. Step 6: Final answer
    x = 5,638.32

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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.