Home / 7,105.95-9,812.41-4,457.93

Finding the Fourth Proportional to 7,105.95, 9,812.41 and 4,457.93

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Solution

The fourth proportional to 7,105.95, 9,812.41 and 4,457.93 is: 6,155.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,105.95 : 9,812.41 = 4,457.93 : x
  2. Step 2: Convert to fraction form
    7,105.95/9,812.41 = 4,457.93/x
  3. Step 3: Cross multiply
    7,105.95x = 9,812.41 × 4,457.93
  4. Step 4: Simplify right side
    7,105.95x = 43,742,976.70
  5. Step 5: Solve for x
    x = 43,742,976.70/7,105.95
  6. Step 6: Final answer
    x = 6,155.82

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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.