Home / 6,457.17-9,681.86-2,898.64

Finding the Fourth Proportional to 6,457.17, 9,681.86 and 2,898.64

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Solution

The fourth proportional to 6,457.17, 9,681.86 and 2,898.64 is: 4,346.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457.17 : 9,681.86 = 2,898.64 : x
  2. Step 2: Convert to fraction form
    6,457.17/9,681.86 = 2,898.64/x
  3. Step 3: Cross multiply
    6,457.17x = 9,681.86 × 2,898.64
  4. Step 4: Simplify right side
    6,457.17x = 28,064,212.18
  5. Step 5: Solve for x
    x = 28,064,212.18/6,457.17
  6. Step 6: Final answer
    x = 4,346.21

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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.