Home / 6,307.81-9,457.09-2,146.70

Finding the Fourth Proportional to 6,307.81, 9,457.09 and 2,146.70

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Solution

The fourth proportional to 6,307.81, 9,457.09 and 2,146.70 is: 3,218.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,307.81 : 9,457.09 = 2,146.70 : x
  2. Step 2: Convert to fraction form
    6,307.81/9,457.09 = 2,146.70/x
  3. Step 3: Cross multiply
    6,307.81x = 9,457.09 × 2,146.70
  4. Step 4: Simplify right side
    6,307.81x = 20,301,477.08
  5. Step 5: Solve for x
    x = 20,301,477.08/6,307.81
  6. Step 6: Final answer
    x = 3,218.47

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1.5x scale

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.