Home / 9,720.81-14,577.57-4,792.77

Finding the Fourth Proportional to 9,720.81, 14,577.57 and 4,792.77

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Solution

The fourth proportional to 9,720.81, 14,577.57 and 4,792.77 is: 7,187.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720.81 : 14,577.57 = 4,792.77 : x
  2. Step 2: Convert to fraction form
    9,720.81/14,577.57 = 4,792.77/x
  3. Step 3: Cross multiply
    9,720.81x = 14,577.57 × 4,792.77
  4. Step 4: Simplify right side
    9,720.81x = 69,866,940.17
  5. Step 5: Solve for x
    x = 69,866,940.17/9,720.81
  6. Step 6: Final answer
    x = 7,187.36

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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.