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Finding the Fourth Proportional to 7,298.91, 10,068.71 and 4,641.71

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Solution

The fourth proportional to 7,298.91, 10,068.71 and 4,641.71 is: 6,403.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,298.91 : 10,068.71 = 4,641.71 : x
  2. Step 2: Convert to fraction form
    7,298.91/10,068.71 = 4,641.71/x
  3. Step 3: Cross multiply
    7,298.91x = 10,068.71 × 4,641.71
  4. Step 4: Simplify right side
    7,298.91x = 46,735,958.34
  5. Step 5: Solve for x
    x = 46,735,958.34/7,298.91
  6. Step 6: Final answer
    x = 6,403.14

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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.