Home / 6,457.02-9,646.29-4,098.09

Finding the Fourth Proportional to 6,457.02, 9,646.29 and 4,098.09

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Solution

The fourth proportional to 6,457.02, 9,646.29 and 4,098.09 is: 6,122.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457.02 : 9,646.29 = 4,098.09 : x
  2. Step 2: Convert to fraction form
    6,457.02/9,646.29 = 4,098.09/x
  3. Step 3: Cross multiply
    6,457.02x = 9,646.29 × 4,098.09
  4. Step 4: Simplify right side
    6,457.02x = 39,531,400.76
  5. Step 5: Solve for x
    x = 39,531,400.76/6,457.02
  6. Step 6: Final answer
    x = 6,122.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.