Home / 7,020.60-9,688.14-4,499.16

Finding the Fourth Proportional to 7,020.60, 9,688.14 and 4,499.16

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Solution

The fourth proportional to 7,020.60, 9,688.14 and 4,499.16 is: 6,208.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.60 : 9,688.14 = 4,499.16 : x
  2. Step 2: Convert to fraction form
    7,020.60/9,688.14 = 4,499.16/x
  3. Step 3: Cross multiply
    7,020.60x = 9,688.14 × 4,499.16
  4. Step 4: Simplify right side
    7,020.60x = 43,588,491.96
  5. Step 5: Solve for x
    x = 43,588,491.96/7,020.60
  6. Step 6: Final answer
    x = 6,208.66

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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.