Home / 5,477.36-8,215.86-1,582.16

Finding the Fourth Proportional to 5,477.36, 8,215.86 and 1,582.16

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Solution

The fourth proportional to 5,477.36, 8,215.86 and 1,582.16 is: 2,373.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.36 : 8,215.86 = 1,582.16 : x
  2. Step 2: Convert to fraction form
    5,477.36/8,215.86 = 1,582.16/x
  3. Step 3: Cross multiply
    5,477.36x = 8,215.86 × 1,582.16
  4. Step 4: Simplify right side
    5,477.36x = 12,998,805.06
  5. Step 5: Solve for x
    x = 12,998,805.06/5,477.36
  6. Step 6: Final answer
    x = 2,373.19

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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.