Home / 4,974.04-7,459.32-1,686.16

Finding the Fourth Proportional to 4,974.04, 7,459.32 and 1,686.16

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Solution

The fourth proportional to 4,974.04, 7,459.32 and 1,686.16 is: 2,528.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,974.04 : 7,459.32 = 1,686.16 : x
  2. Step 2: Convert to fraction form
    4,974.04/7,459.32 = 1,686.16/x
  3. Step 3: Cross multiply
    4,974.04x = 7,459.32 × 1,686.16
  4. Step 4: Simplify right side
    4,974.04x = 12,577,607.01
  5. Step 5: Solve for x
    x = 12,577,607.01/4,974.04
  6. Step 6: Final answer
    x = 2,528.65

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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.