Home / 7,403.40-10,216.20-4,045.56

Finding the Fourth Proportional to 7,403.40, 10,216.20 and 4,045.56

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Solution

The fourth proportional to 7,403.40, 10,216.20 and 4,045.56 is: 5,582.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.40 : 10,216.20 = 4,045.56 : x
  2. Step 2: Convert to fraction form
    7,403.40/10,216.20 = 4,045.56/x
  3. Step 3: Cross multiply
    7,403.40x = 10,216.20 × 4,045.56
  4. Step 4: Simplify right side
    7,403.40x = 41,330,250.07
  5. Step 5: Solve for x
    x = 41,330,250.07/7,403.40
  6. Step 6: Final answer
    x = 5,582.60

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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.