Home / 7,477.02-11,212.47-5,490.32

Finding the Fourth Proportional to 7,477.02, 11,212.47 and 5,490.32

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Solution

The fourth proportional to 7,477.02, 11,212.47 and 5,490.32 is: 8,233.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.02 : 11,212.47 = 5,490.32 : x
  2. Step 2: Convert to fraction form
    7,477.02/11,212.47 = 5,490.32/x
  3. Step 3: Cross multiply
    7,477.02x = 11,212.47 × 5,490.32
  4. Step 4: Simplify right side
    7,477.02x = 61,559,992.23
  5. Step 5: Solve for x
    x = 61,559,992.23/7,477.02
  6. Step 6: Final answer
    x = 8,233.23

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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.