Home / 4,290.09-5,920.47-2,521.67

Finding the Fourth Proportional to 4,290.09, 5,920.47 and 2,521.67

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Solution

The fourth proportional to 4,290.09, 5,920.47 and 2,521.67 is: 3,479.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.09 : 5,920.47 = 2,521.67 : x
  2. Step 2: Convert to fraction form
    4,290.09/5,920.47 = 2,521.67/x
  3. Step 3: Cross multiply
    4,290.09x = 5,920.47 × 2,521.67
  4. Step 4: Simplify right side
    4,290.09x = 14,929,441.98
  5. Step 5: Solve for x
    x = 14,929,441.98/4,290.09
  6. Step 6: Final answer
    x = 3,479.98

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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.