Home / 8,465.48-11,688.14-5,280.02

Finding the Fourth Proportional to 8,465.48, 11,688.14 and 5,280.02

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Solution

The fourth proportional to 8,465.48, 11,688.14 and 5,280.02 is: 7,290.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.48 : 11,688.14 = 5,280.02 : x
  2. Step 2: Convert to fraction form
    8,465.48/11,688.14 = 5,280.02/x
  3. Step 3: Cross multiply
    8,465.48x = 11,688.14 × 5,280.02
  4. Step 4: Simplify right side
    8,465.48x = 61,713,586.56
  5. Step 5: Solve for x
    x = 61,713,586.56/8,465.48
  6. Step 6: Final answer
    x = 7,290.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.