Home / 5,448.37-7,518.61-3,210.34

Finding the Fourth Proportional to 5,448.37, 7,518.61 and 3,210.34

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Solution

The fourth proportional to 5,448.37, 7,518.61 and 3,210.34 is: 4,430.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.37 : 7,518.61 = 3,210.34 : x
  2. Step 2: Convert to fraction form
    5,448.37/7,518.61 = 3,210.34/x
  3. Step 3: Cross multiply
    5,448.37x = 7,518.61 × 3,210.34
  4. Step 4: Simplify right side
    5,448.37x = 24,137,294.43
  5. Step 5: Solve for x
    x = 24,137,294.43/5,448.37
  6. Step 6: Final answer
    x = 4,430.19

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Half scale
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Double scale
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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.