Home / 6,430.71-9,646.78-2,047.16

Finding the Fourth Proportional to 6,430.71, 9,646.78 and 2,047.16

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Solution

The fourth proportional to 6,430.71, 9,646.78 and 2,047.16 is: 3,070.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430.71 : 9,646.78 = 2,047.16 : x
  2. Step 2: Convert to fraction form
    6,430.71/9,646.78 = 2,047.16/x
  3. Step 3: Cross multiply
    6,430.71x = 9,646.78 × 2,047.16
  4. Step 4: Simplify right side
    6,430.71x = 19,748,502.14
  5. Step 5: Solve for x
    x = 19,748,502.14/6,430.71
  6. Step 6: Final answer
    x = 3,070.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.