Home / 7,716.89-10,647.47-4,572.53

Finding the Fourth Proportional to 7,716.89, 10,647.47 and 4,572.53

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Solution

The fourth proportional to 7,716.89, 10,647.47 and 4,572.53 is: 6,309.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.89 : 10,647.47 = 4,572.53 : x
  2. Step 2: Convert to fraction form
    7,716.89/10,647.47 = 4,572.53/x
  3. Step 3: Cross multiply
    7,716.89x = 10,647.47 × 4,572.53
  4. Step 4: Simplify right side
    7,716.89x = 48,685,853.14
  5. Step 5: Solve for x
    x = 48,685,853.14/7,716.89
  6. Step 6: Final answer
    x = 6,309.00

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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.