Home / 8,404.40-11,598.35-4,627.75

Finding the Fourth Proportional to 8,404.40, 11,598.35 and 4,627.75

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Solution

The fourth proportional to 8,404.40, 11,598.35 and 4,627.75 is: 6,386.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,404.40 : 11,598.35 = 4,627.75 : x
  2. Step 2: Convert to fraction form
    8,404.40/11,598.35 = 4,627.75/x
  3. Step 3: Cross multiply
    8,404.40x = 11,598.35 × 4,627.75
  4. Step 4: Simplify right side
    8,404.40x = 53,674,264.21
  5. Step 5: Solve for x
    x = 53,674,264.21/8,404.40
  6. Step 6: Final answer
    x = 6,386.45

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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.