Home / 4,987.98-7,477.18-2,215.01

Finding the Fourth Proportional to 4,987.98, 7,477.18 and 2,215.01

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Solution

The fourth proportional to 4,987.98, 7,477.18 and 2,215.01 is: 3,320.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.98 : 7,477.18 = 2,215.01 : x
  2. Step 2: Convert to fraction form
    4,987.98/7,477.18 = 2,215.01/x
  3. Step 3: Cross multiply
    4,987.98x = 7,477.18 × 2,215.01
  4. Step 4: Simplify right side
    4,987.98x = 16,562,041.63
  5. Step 5: Solve for x
    x = 16,562,041.63/4,987.98
  6. Step 6: Final answer
    x = 3,320.39

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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.