Home / 7,130.53-10,698.83-4,938.06

Finding the Fourth Proportional to 7,130.53, 10,698.83 and 4,938.06

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Solution

The fourth proportional to 7,130.53, 10,698.83 and 4,938.06 is: 7,409.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130.53 : 10,698.83 = 4,938.06 : x
  2. Step 2: Convert to fraction form
    7,130.53/10,698.83 = 4,938.06/x
  3. Step 3: Cross multiply
    7,130.53x = 10,698.83 × 4,938.06
  4. Step 4: Simplify right side
    7,130.53x = 52,831,439.78
  5. Step 5: Solve for x
    x = 52,831,439.78/7,130.53
  6. Step 6: Final answer
    x = 7,409.19

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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.