Home / 7,616.85-10,510.60-4,430.21

Finding the Fourth Proportional to 7,616.85, 10,510.60 and 4,430.21

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Solution

The fourth proportional to 7,616.85, 10,510.60 and 4,430.21 is: 6,113.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616.85 : 10,510.60 = 4,430.21 : x
  2. Step 2: Convert to fraction form
    7,616.85/10,510.60 = 4,430.21/x
  3. Step 3: Cross multiply
    7,616.85x = 10,510.60 × 4,430.21
  4. Step 4: Simplify right side
    7,616.85x = 46,564,143.07
  5. Step 5: Solve for x
    x = 46,564,143.07/7,616.85
  6. Step 6: Final answer
    x = 6,113.31

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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.