Home / 7,402.66-10,215.60-4,045.45

Finding the Fourth Proportional to 7,402.66, 10,215.60 and 4,045.45

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Solution

The fourth proportional to 7,402.66, 10,215.60 and 4,045.45 is: 5,582.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.66 : 10,215.60 = 4,045.45 : x
  2. Step 2: Convert to fraction form
    7,402.66/10,215.60 = 4,045.45/x
  3. Step 3: Cross multiply
    7,402.66x = 10,215.60 × 4,045.45
  4. Step 4: Simplify right side
    7,402.66x = 41,326,699.02
  5. Step 5: Solve for x
    x = 41,326,699.02/7,402.66
  6. Step 6: Final answer
    x = 5,582.68

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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.