Home / 7,045.60-9,719.36-4,684.72

Finding the Fourth Proportional to 7,045.60, 9,719.36 and 4,684.72

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Solution

The fourth proportional to 7,045.60, 9,719.36 and 4,684.72 is: 6,462.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.60 : 9,719.36 = 4,684.72 : x
  2. Step 2: Convert to fraction form
    7,045.60/9,719.36 = 4,684.72/x
  3. Step 3: Cross multiply
    7,045.60x = 9,719.36 × 4,684.72
  4. Step 4: Simplify right side
    7,045.60x = 45,532,480.18
  5. Step 5: Solve for x
    x = 45,532,480.18/7,045.60
  6. Step 6: Final answer
    x = 6,462.54

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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.