Home / 4,430.37-6,643.51-1,507.89

Finding the Fourth Proportional to 4,430.37, 6,643.51 and 1,507.89

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Solution

The fourth proportional to 4,430.37, 6,643.51 and 1,507.89 is: 2,261.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,430.37 : 6,643.51 = 1,507.89 : x
  2. Step 2: Convert to fraction form
    4,430.37/6,643.51 = 1,507.89/x
  3. Step 3: Cross multiply
    4,430.37x = 6,643.51 × 1,507.89
  4. Step 4: Simplify right side
    4,430.37x = 10,017,682.29
  5. Step 5: Solve for x
    x = 10,017,682.29/4,430.37
  6. Step 6: Final answer
    x = 2,261.14

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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.