Home / 7,430.10-10,260.47-4,782.11

Finding the Fourth Proportional to 7,430.10, 10,260.47 and 4,782.11

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Solution

The fourth proportional to 7,430.10, 10,260.47 and 4,782.11 is: 6,603.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.10 : 10,260.47 = 4,782.11 : x
  2. Step 2: Convert to fraction form
    7,430.10/10,260.47 = 4,782.11/x
  3. Step 3: Cross multiply
    7,430.10x = 10,260.47 × 4,782.11
  4. Step 4: Simplify right side
    7,430.10x = 49,066,656.84
  5. Step 5: Solve for x
    x = 49,066,656.84/7,430.10
  6. Step 6: Final answer
    x = 6,603.77

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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.