Home / 8,480.58-11,705.33-5,457.74

Finding the Fourth Proportional to 8,480.58, 11,705.33 and 5,457.74

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Solution

The fourth proportional to 8,480.58, 11,705.33 and 5,457.74 is: 7,533.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,480.58 : 11,705.33 = 5,457.74 : x
  2. Step 2: Convert to fraction form
    8,480.58/11,705.33 = 5,457.74/x
  3. Step 3: Cross multiply
    8,480.58x = 11,705.33 × 5,457.74
  4. Step 4: Simplify right side
    8,480.58x = 63,884,647.75
  5. Step 5: Solve for x
    x = 63,884,647.75/8,480.58
  6. Step 6: Final answer
    x = 7,533.05

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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.