Home / 7,980.02-11,972.46-4,686.16

Finding the Fourth Proportional to 7,980.02, 11,972.46 and 4,686.16

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Solution

The fourth proportional to 7,980.02, 11,972.46 and 4,686.16 is: 7,030.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,980.02 : 11,972.46 = 4,686.16 : x
  2. Step 2: Convert to fraction form
    7,980.02/11,972.46 = 4,686.16/x
  3. Step 3: Cross multiply
    7,980.02x = 11,972.46 × 4,686.16
  4. Step 4: Simplify right side
    7,980.02x = 56,104,863.15
  5. Step 5: Solve for x
    x = 56,104,863.15/7,980.02
  6. Step 6: Final answer
    x = 7,030.67

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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.