Home / 10,359.90-15,535.35-4,811.40

Finding the Fourth Proportional to 10,359.90, 15,535.35 and 4,811.40

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Solution

The fourth proportional to 10,359.90, 15,535.35 and 4,811.40 is: 7,215.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359.90 : 15,535.35 = 4,811.40 : x
  2. Step 2: Convert to fraction form
    10,359.90/15,535.35 = 4,811.40/x
  3. Step 3: Cross multiply
    10,359.90x = 15,535.35 × 4,811.40
  4. Step 4: Simplify right side
    10,359.90x = 74,746,782.99
  5. Step 5: Solve for x
    x = 74,746,782.99/10,359.90
  6. Step 6: Final answer
    x = 7,215.01

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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.